Will have a bash of this tonight, thanks for sharing. The history of the Oliver brothers on that page is very interesting and worth a read too, the 8bit home computer scene was fascinating.
Incidentally I saw this the other day, it's a free eBook about the development of R-Type on the Speccy if anybody is interested:http://bizzley.com
GPD Win, GPD XD 64gb, Pap KIII-Plus, RS-97, RS-90, New Bittboy, 3DS XL, DSi XL, GBA SP, GBBC Clone, Gameboy Pocket, PSP Go,
HP Envy M6, Acer 522, Dell Mini 9
Psion 5 & 5MX
Tons of other old laptops and tablets.....